Narrow-band imaging Dual focus endoscopy capabilities in diff erential diagnosis of intestinal metaplasia types
https://doi.org/10.31146/1682-8658-ecg-201-5-12-16
Abstract
Stomach cancer has an important place in medicine. Unfortunately, diagnosis of gastric cancer is being established in majority of cases at the IV stage. So, yt is necessary to detect tumors at the earliest stages of carcinogenesis and to evaluate and treat precancerous diseases, such as gastric atrophy and intestinal metaplasia.
Aims: To estimate the value of Narrow-band imaging Dual focus (NBI Dual Focus) endoscopy capabilities in differential diagnosis of intestinal metaplasia types. We evaluated the data of Russian and foreign articles on this topic from 2011 to 2021. In our study 46 patients with suspected intestinal metaplasia admitted to Nizhny Novgorod Oncology Dispensary. We have performed multimodal endoscopy, including White light endoscopy (WLI), narrow-band imaging (NBI, WLI, BLI — 28) and Dual focus endoscopy (18). Sydney system based multifocal biopsy and targeted biopsy of IM foci were performed in all cases.
Results: Verification of intestinal metaplasia, visualized with WLI, was confirmed in only 59% cases. However, intestinal metaplasia, observed with NBI, was confirmed by pathology in 100% cases. NBI Dual Focus endoscopy made possible to differentiate complete and incomplete intestinal metaplasia also in all patients.
Conclusions: Intestinal metaplasia can be successfully diagnosed with NBI endoscopy. Differential diagnosis of types of intestinal metaplasia and other variants of gastric mucosa metaplasia is possible using narrow-spectrum endoscopy with dual focus (NBI Dual Focus).
About the Authors
R. A. GagaevRussian Federation
Roman A. Gagaev, endoscopist
603093, Nizhny Novgorod, st. Delovaya, build.11/1
S. S. Pirogov
Russian Federation
Sergey S. Pirogov, M.D., Ph.D., Head of endoscopy division
125284, Moscow, 2nd Botkinskiy proezd, build. 3
A. A. Mitrakov
Russian Federation
Alexandr A. Mitrakov, Head of endoscopy division
603093, Nizhny Novgorod, st. Delovaya, build.11/1
R. S. Smirnova
Russian Federation
Raisat S. Smirnova, Chief of Endoscopy Unit
603093, Nizhny Novgorod, st. Delovaya, build.11/1
D. A. Davydova
Russian Federation
Diana A. Davydova, Ph.D., Chief of Pathology Department
603093, Nizhny Novgorod, st. Delovaya, build.11/1
S. V. Gamayunov
Russian Federation
Sergey V. Gamayunov, Ph.D., Head; Visiting Fellow Unit
603093, Nizhny Novgorod, st. Delovaya, build.11/1
249036, Kaluga region, Obninsk, Korolev str., build. 4
A. D. Kaprin
Russian Federation
Andrey D. Kaprin, M.D., Ph.D., Academician of RAS, Head Medical Center
125284, Moscow, 2nd Botkinskiy proezd, build. 3
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Review
For citations:
Gagaev R.A., Pirogov S.S., Mitrakov A.A., Smirnova R.S., Davydova D.A., Gamayunov S.V., Kaprin A.D. Narrow-band imaging Dual focus endoscopy capabilities in diff erential diagnosis of intestinal metaplasia types. Experimental and Clinical Gastroenterology. 2022;(5):12-16. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-201-5-12-16